E621 Utils

Adds Some Utilities For E621

За да инсталирате този скрипт, трябва да имате инсталирано разширение като Tampermonkey, Greasemonkey или Violentmonkey.

За да инсталирате този скрипт, трябва да имате инсталирано разширение като Tampermonkey или Violentmonkey.

За да инсталирате този скрипт, трябва да имате инсталирано разширение като Tampermonkey или Violentmonkey.

За да инсталирате този скрипт, трябва да имате инсталирано разширение като Tampermonkey или Userscripts.

За да инсталирате скрипта, трябва да инсталирате разширение като Tampermonkey.

За да инсталирате този скрипт, трябва да имате инсталиран скриптов мениджър.

(Вече имам скриптов мениджър, искам да го инсталирам!)

За да инсталирате този стил, трябва да инсталирате разширение като Stylus.

За да инсталирате този стил, трябва да инсталирате разширение като Stylus.

За да инсталирате този стил, трябва да инсталирате разширение като Stylus.

За да инсталирате този стил, трябва да имате инсталиран мениджър на потребителски стилове.

За да инсталирате този стил, трябва да имате инсталиран мениджър на потребителски стилове.

За да инсталирате този стил, трябва да имате инсталиран мениджър на потребителски стилове.

(Вече имам инсталиран мениджър на стиловете, искам да го инсталирам!)

// ==UserScript==
// @name         E621 Utils
// @namespace    http://tampermonkey.net/
// @version      0.1.4
// @description  Adds Some Utilities For E621
// @author       rafa_br34#9060
// @match        https://e621.net/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=e621.net
// @grant        GM.xmlHttpRequest
// @license      GPL-2.0
// ==/UserScript==

(async function () {
    const E621_Images_CDN = "https://static1.e621.net/data"
    const E621_Posts = "https://e621.net/posts"


    var g_DataElement = undefined
    var g_Posts = []

    var g_WriteFileQueue = []
    var g_TotalDownloads = 0
    var g_DownloadQueue = 0


    function Sleep(ms) {
        return new Promise(resolve => setTimeout(resolve, ms));
    }

    function RequestWriteFile(Data, FileName, Type="") {
        var TempElement = document.createElement("a");
        var URL = window.URL.createObjectURL(new Blob([Data], { type: "application/octet-stream" }))
        TempElement.setAttribute("href", URL);
        TempElement.setAttribute("download", FileName);
        document.body.appendChild(TempElement);
        TempElement.click();
        document.body.removeChild(TempElement);
        window.URL.revokeObjectURL(URL)

    }


    function MakeE621_CDN_Url(ImageHashMD5, FileFormat) {
        var FirstByte = ImageHashMD5.substr(0, 2)
        var SecondByte = ImageHashMD5.substr(2, 2)

        // CDN/FirstByte/SecondByte/ImageHash.FileFormat
        return `${E621_Images_CDN}/${FirstByte}/${SecondByte}/${ImageHashMD5}.${FileFormat}`
    }


    async function DownloadImage(ImageHashMD5, FileFormat, SelfId) {


        var SelfButton = g_Posts[SelfId]["Data"]["DownloadButton"]

        var Done = false
        var IsDownloading = false
        var State = [false]
        g_DownloadQueue++;
        while (!Done) {
            SelfButton.innerHTML = "Downloading..."
            IsDownloading = true
            try {
                GM.xmlHttpRequest({
                    binary: true,
                    method: "GET",
                    responseType: "blob",
                    url: MakeE621_CDN_Url(ImageHashMD5, FileFormat),
                    onload: async function (Response) {
                        //console.log(Response)
                        try {
                            if (Response.status != 200) {
                                SelfButton.innerHTML = "Failed(Http), Retrying..."
                            }
                            else {
                                SelfButton.innerHTML = "Done!"
                                State = [true, `${ImageHashMD5}.${FileFormat}`, Response.response]
                            }
                        }
                        catch (Exception) {
                            console.log(Exception)
                            SelfButton.innerHTML = "Failed(Exception), Retrying..."
                        }

                        IsDownloading = false
                    },
                    onerror: async function (Response) {
                        SelfButton.innerHTML = "Failed(Error), Retrying..."
                        IsDownloading = false
                    },
                    onabort: async function (Response) {
                        SelfButton.innerHTML = "Failed(Aborted), Retrying..."
                        IsDownloading = false
                    }
                });
            }
            catch (Exception) {
                //console.log(Exception)
                IsDownloading = false
            }

            while (IsDownloading) {
                await Sleep(10)
            }

            if (State[0]) {
                Done = true
                State.splice(0, 1)
                g_WriteFileQueue.push(State)
                g_TotalDownloads++
                SelfButton.innerHTML = "Done"
                await Sleep(1000)
                SelfButton.innerHTML = "Download"
            }
            else {
                await Sleep(3000)
            }

        }


        g_DownloadQueue--;
    }

    var RootDiv = document.createElement("div")
    var Posts = document.getElementById("posts")
    Posts.insertBefore(RootDiv, Posts.firstChild)



    // Download All Button
    {
        var DownloadAllButton = document.createElement("button")
        RootDiv.appendChild(DownloadAllButton)
        DownloadAllButton.innerHTML = "Download All In Page"
        DownloadAllButton.setAttribute("style", "user-select: auto; border-radius: 0px; background-color: rgb(123, 37, 71); color: #ffffff;")

        DownloadAllButton.addEventListener("click",
            async () => {
                for (var Post of g_Posts) {
                    Post.Data.DownloadButton.click()
                    await Sleep(100);
                }
            }
        )
        RootDiv.appendChild(document.createElement("br"))
    }
    

    // Get Source Link List Button
    {
        var GetLinkList = document.createElement("button")
        RootDiv.appendChild(GetLinkList)
        GetLinkList.innerHTML = "Get List Of Image Links(Image Source)"
        GetLinkList.setAttribute("style", "user-select: auto; border-radius: 0px; background-color: rgb(123, 37, 71); color: #ffffff;")

        GetLinkList.addEventListener("click",
            async () => {
                var List = ""
                for (var Post of g_Posts) {
                    List += MakeE621_CDN_Url(Post.Data.MD5, Post.Data.FileFormat) + "\n"
                }
                g_WriteFileQueue.push(["SourceLinks.txt", List])
            }
        )
        RootDiv.appendChild(document.createElement("br"))
    }

    // Get Post Link List Button
    {
        var GetLinkList = document.createElement("button")
        RootDiv.appendChild(GetLinkList)
        GetLinkList.innerHTML = "Get List Of Posts Links(Post Link)"
        GetLinkList.setAttribute("style", "user-select: auto; border-radius: 0px; background-color: rgb(123, 37, 71); color: #ffffff;")

        GetLinkList.addEventListener("click",
            async () => {
                var List = ""
                for (var Post of g_Posts) {
                    List += `${E621_Posts}/${Post.Data.PostId}\n`
                }
                g_WriteFileQueue.push(["PostLinks.txt", List])
            }
        )
        RootDiv.appendChild(document.createElement("br"))
    }


    var g_DataElement = document.createElement("div")

    RootDiv.appendChild(g_DataElement);


    var Runner = async function () {
        while (true) {
            if (g_WriteFileQueue.length > 0) {
                var Data = g_WriteFileQueue.pop()
                RequestWriteFile(Data[1], Data[0])
            }
            await Sleep(100);
        }
    }
    Runner();

    while (true) {
        for (var Object of document.getElementsByTagName("article")) {
            var NewButton = null


            if (g_Posts.find((Post) => { return Post.Element == Object })) {
                continue
            }

            var SplittedUrl = Object.getAttribute("data-file-url").split("/")

            const ImageHash = (SplittedUrl[SplittedUrl.length - 1]).split(".")[0];
            const FileFormat = Object.getAttribute("data-file-ext");
            const TableSize = g_Posts.length

            //console.log("Hash ", ImageHash, " FileFormat ", FileFormat)
            if (!GM || !GM.xmlHttpRequest) {
                NewButton = document.createElement("a")
                NewButton.setAttribute("href", `${E621_Images_CDN}/${ImageHash.substr(0, 2)}/${ImageHash.substr(2, 2)}/${ImageHash}.${FileFormat}`)
                NewButton.setAttribute("download", `${ImageHash}.${FileFormat}`)
                NewButton.setAttribute("target", "_blank")
            }
            else {
                NewButton = document.createElement("button")
                NewButton.addEventListener("click", () => { DownloadImage(ImageHash, FileFormat, TableSize) })
                NewButton.setAttribute("style", "user-select: auto; border-radius: 0px; background-color: rgb(37, 71, 123); color: #ffffff;")
            }

            NewButton.innerHTML = "Download"
            Object.appendChild(NewButton)
            g_Posts.push({ Element: Object, Data: { PostId: Object.getAttribute("data-id"), MD5: ImageHash, FileFormat: FileFormat, DownloadButton: NewButton } })
        }

        g_DataElement.innerHTML = ` Posts: ${g_Posts.length} Total Downloads: ${g_TotalDownloads} Download Queue: ${g_DownloadQueue} Write Queue: ${g_WriteFileQueue.length}`

        await Sleep(1000);
    }



})();